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Old 02-10-2010, 10:16 PM   #1
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Grinding in 4wd?

Gonna try and give you guys all the details on this, but I apologize in advance due to the vagueness...

Today, as usual...I had my Jeep stuck in the snow in my driveway. Thanks to the 35mph winds all day today, we had drifts that were nearly as tall as me (and I'm not a midget!).

While stuck, I was in 4 high...I gunned it in first gear and noticed a grinding sound...reminds me of the sound you get when you miss a gear, but not as violent. It just sounded like gears meshing together partway like they were rubbing against each other.

I couldn't get anywhere in 4 high, so I dropped it into 4lo and was able to crawl out...so that brings me to a few different questions...

Is it possible that my t-case linkage is all outta whack? If my t-case was partially engaging, what would my Jeep do (not necessarily what kind of damage would be caused from the gears grinding against each other, but rather...would it cause me to have SOME functioning from the front wheels without them working exactly as they were designed to do? I DEFINITELY have at least some stuff working in the front...as I get a huge boost in traction in 4 high...but am wondering if this could be the reason why I'm getting stuck so much easier than what most people seem to?

I don't notice this grinding in normal driving on slick roads...only when I'm stuck and the tires are spinning. It happens when the clutch is fully released (foot isn't even on it) and the tires are spinning.

Thoughts?

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Old 02-11-2010, 01:10 AM   #2
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sounds like you need to adjust your linkage. When you are wedged somewhere and need to use the skinny pedal as you know the torque going thru the tcase can rock it loose.

Other thing that leads me to adjusting is you didn't say it happens all the time either. If the chain was loose it should skip every so often just driving when in 4hi.

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Old 02-11-2010, 01:10 AM   #3
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Only time I have ever encountered it grinding when adjusting my transfer case while moving at about 10 miles an hour. I would assume it would have to do with the linkage because it sounds like it isnt fully engaging. Not sure if it is much help
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Old 02-11-2010, 01:12 AM   #4
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like holes said in mine I have switched mine from 2 wheel drive to 4 wheel drive at 50 and no grinding
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Isn't the JK just a rebodied PT Cruiser?!

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Originally Posted by coyote_94yj
Just a few more inches Red. You can take it.


If you haven't gotten more out of the insurance company than you deserve, then you haven't screwed them nearly as much as they have been screwing you for the past xx years.
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